KR101296607B1 - System and method for prosthetic applicance design and recording medium thereof - Google Patents

Abstract

The present invention relates to a design system and method of a prosthesis, and a recording medium thereof, wherein the design system of the prosthesis according to the present invention includes a two-dimensional image of a body part of a plurality of subjects and biometric information of the subjects. A body image data input unit which receives two-dimensional image data; A 3D image modeling unit for rendering the 2D image into a 3D image; A prosthesis standard specification calculator configured to classify the 3D image based on the biometric information according to a predetermined classification standard, and calculate a standard standard of the prosthesis by statistically processing the size of the body part in the classified 3D image; And a controller configured to control the body image data input unit, the 3D image modeling unit, and the prosthesis standard specification calculator to calculate a standard specification of the prosthesis according to a predetermined classification standard from the two-dimensional images of the plurality of photographed subjects. Accordingly, in designing a prosthesis manufactured by a mass production method of a prosthesis inserted into a human body to compensate for a deficiency or disorder of a part of a body, a prosthesis mass produced by designing a prosthesis of a standardized size according to race or gender characteristics Can be easily applied to the body of various patients.

Description

PROTECT AND METHOD FOR PROSTHETIC APPLICANCE DESIGN AND RECORDING MEDIUM THEREOF

The present invention relates to a design system and method of a prosthesis, and a recording medium thereof, and more particularly, to designing a prosthesis produced by mass production method of a prosthesis inserted into a human body to compensate for a deficiency or disorder of a body part. The present invention relates to a prosthesis design system and method for easily applying mass produced prosthesis to the body of various patients by designing a prosthesis of a standard size according to characteristics such as sex and gender, and a recording medium thereof.

With the aging society accelerating due to the improvement of living environment and the development of medical technology, procedures for restoring damaged body function by inserting prostheses such as artificial joints or artificial spine into the human body are increasing.

Prostheses can be broadly divided into custom-made prostheses that are tailored to the individual characteristics of patients and ready-made prostheses that are pre-fabricated according to certain specifications. Prostheses such as artificial knee joints, spine and shoulder joints are often mass-produced based on their approximate body size.

The preformed prosthesis can select a prosthesis suitable for the patient by analyzing the prosthesis placement site of the patient on an image basis. By the way, the ready-made prosthesis currently produced is often manufactured to be suitable for the Western body shape, and the model of the limited specification is supplied.

Accordingly, there is a limit to the application of the preformed prosthesis to patients of various races and genders, and if a prosthesis is placed that does not fit the patient's body, damage to the site or failure to restore the damaged function may occur. There is a problem.

Korean Laid-Open Patent 2003-0061580: Three-dimensional finite element modeling method of a biological structure with an artificial implant

The present invention has been made in order to solve the above problems, in the design of the prosthesis produced by the mass production method of the prosthesis inserted into the human body to compensate for the deficiencies or disorders of the body part, according to the characteristics such as race or gender standardized There is a technical problem to provide a system and method for designing a prosthesis, and a recording medium thereof, by which a prosthesis produced in a large size can be easily applied to a body of various patients by mass production of the prosthesis.

According to an aspect of the present invention for achieving the above object, a body image data input unit for receiving a two-dimensional image of the body portion of the plurality of the image and the two-dimensional image data including the biometric information of the subject; A 3D image modeling unit for rendering the 2D image into a 3D image; A prosthesis standard specification calculator configured to classify the 3D image based on the biometric information according to a predetermined classification standard, and calculate a standard standard of the prosthesis by statistically processing the size of the body part in the classified 3D image; And a control unit controlling the body image data input unit, the 3D image modeling unit, and the prosthesis standard specification calculator to calculate a standard standard of the prosthesis according to a predetermined classification standard from the two-dimensional images of the plurality of photographed subjects. A design system is provided.

The body image data input unit may receive a two-dimensional computed tomography (CT) image obtained by tomography of a body portion at which the prosthesis is to be implanted, at a predetermined interval, from among the body parts of the subject.

The biometric information may include race information and gender information of the photographed person.

On the other hand, the prosthesis standard specification calculation unit, the image data classification unit for classifying a three-dimensional image according to the classification criteria; A statistical processor that calculates a statistical distribution by measuring a body size in each of the classified three-dimensional images; And a classification standard determining unit for determining a standard specification of the prosthesis for each classification based on the standard body size of each classification calculated through the statistical processing unit.

The prosthesis may include at least one of an artificial hip joint, an artificial knee joint, an artificial ankle joint, an artificial spine, and an artificial shoulder joint.

According to another aspect of the present invention for achieving the above object, the step of receiving a two-dimensional image of the body portion of the plurality of subjects and the two-dimensional image data including the biometric information of the subject; Rendering the 2D image into a 3D image; Classifying the 3D image based on the biometric information according to a preset classification criterion; And calculating a standard size of the prosthesis by statistically processing the size of the body part in the classified 3D image.

The receiving of the two-dimensional image data including the two-dimensional images of the body parts of the plurality of photographed subjects and the biometric information of the photographed subjects may include: a body part in which the prosthesis is placed among the body parts of the subjects. The method may include receiving a 2D computed tomography (CT) image obtained by tomography at predetermined intervals.

The receiving of the two-dimensional image data including the two-dimensional images of the body parts of the plurality of photographed subjects and the biometric information of the photographed subject may include inputting the biometric information on the race information and gender information of the photographed subject. Receiving step may include.

And calculating the standard specification of the prosthesis by statistically processing the size of the body part in the classified three-dimensional image, calculating the statistical distribution of the size of the body part in the three-dimensional image classified according to the classification criteria Making; Calculating a standard body size of the body part based on the statistical distribution; And determining a standard specification of the prosthesis for each classification based on the standard body size of each classification.

The prosthesis may include at least one of an artificial hip joint, an artificial knee joint, an artificial ankle joint, an artificial spine, and an artificial shoulder joint.

According to another aspect of the present invention for achieving the above object, the step of receiving a two-dimensional image of the body portion of the plurality of subjects and the two-dimensional image data including the biometric information of the subject; Rendering the 2D image into a 3D image; Classifying the 3D image based on the biometric information according to a preset classification criterion; And calculating a standard specification of the prosthesis by statistically processing the size of the body part in the categorized three-dimensional image, and providing a recording medium that is recorded by a program and can be read by an electronic device. .

As described above, a system and method for designing a prosthesis according to the present invention, and a recording medium thereof, are based on race or sex in designing a prosthesis produced by mass production method of a prosthesis inserted into a human body to compensate for a deficiency or disorder of a body part. By designing a prosthesis with a standardized size according to the characteristics of the back, mass produced prosthesis can be easily applied to various patients' bodies.

1 is a control block diagram of a design system of a prosthesis according to an embodiment of the present invention;
2 is a control block diagram of the prosthesis standard specification calculation unit of FIG. 1;
3 is a control flowchart of a design system of a prosthesis according to an embodiment of the present invention;
4 is a representation of a human body part used for the design of a prosthesis in accordance with an embodiment of the present invention;
5 is a display state diagram of a 3D modeling image used for designing a prosthesis according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description with reference to the accompanying drawings, the same or corresponding components will be denoted by the same reference numerals, and redundant description thereof will be omitted.

1 is a control block diagram of a design system 100 for a prosthesis in accordance with an embodiment of the present invention.

As shown in FIG. 1, the prosthesis design system 100 includes a body image data input unit 110, an image data storage unit 150, a 3D image modeling unit 120, a prosthesis standard specification calculation unit 200, And a user input unit 130, a display unit 140, and a controller 160.

The body image data input unit 110 receives a plurality of body part image data. The image data includes a two-dimensional image of the body part in which the prosthesis is placed and biometric information such as the gender and race of the photographed person of the image. Two-dimensional images are taken at predetermined intervals by using magnetic resonance imaging (MRI), computed tomography (CT), ultrasound images, X-rays, etc., in which the prosthesis is placed in the body part of a normal subject. Can be generated. The biometric information included in the image data may include photographic information such as age, height, and weight along with gender and race.

The body image data input unit 110 segments the 2D body part images photographed at regular intervals and converts the 2D image into a DICOM image, which is an international medical image standard that can be processed by the system 100 such as a computer. do.

The image data storage unit 150 stores two-dimensional image data of a standard format output from the body image data input unit 110. The image data storage unit 150 stores a plurality of image data that can be extracted statistically.

The 3D image modeling unit 120 models the 2D image as a 3D image. Methods for processing 3D reconstruction of body parts by processing tomography data, such as CT or MRI scans, are also disclosed in patent publications such as WO 93/25157, and are currently widely used in the medical field. It is a skill. As such, since a technique of modeling a 2D image into a 3D image is already used for public works, detailed description thereof will be omitted.

The prosthesis standard specification calculation unit 200 classifies the images of the body parts modeled in three dimensions according to user settings, and calculates the standard specifications of the prosthesis to be applied to the corresponding body parts by statistically calculating the numerical values of the body parts for each classification. Image data may be classified according to biometric information such as gender and race, and may be divided into height or age according to the user's classification criteria. That is, according to the biometric information included in the image data, the 2D image stored in the image data storage unit 150 may be classified into large classification, medium classification, and small classification.

The prosthesis standard specification calculation unit 200 measures and statistically calculates a body size from the classified body part images. Prosthesis standard specification calculation unit 200 calculates the standard size based on the statistical body size, and selects the standard of the prosthesis corresponding to the body part of the standard size and derives it as the prosthesis standard standard in the classification. Thus, the standard specification of the prosthesis can be derived for each classification according to race and gender. For example, the standard specifications of the prosthesis may be derived from the classification of the western male, the western female, the oriental male, the oriental female, and the like.

The user input unit 130 may receive a user selection for operating a function of the design system 100 of the prosthesis, and receive a classification criterion for classifying image data from the user. The user may set the classification criteria to be set in the prosthesis standard specification calculation unit 200 by race, gender, etc. through the user input unit 130, and may further set detailed classifications such as age, height, and the like.

The display 140 displays a data processing state of the system 100 to the user.

The controller 160 stores the 2D image data input and processed by the body image data input unit 110 in the image data storage unit 150 and controls the 3D image modeling unit 120 to control the 2D image to 3D image. Model with. The control unit 160 transmits the prosthesis classification criteria inputted to the user input unit 130 to the prosthesis standard standard calculation unit 200 to control the standard standard of the prosthesis for each classification to be calculated, and displays the calculated standard standard of the prosthesis for each classification. (140).

According to this configuration, the present invention by tomography the body parts requiring a prosthesis from a plurality of bodies at regular intervals to precisely segment the corresponding area, and reconstructed the zoned two-dimensional image in three dimensions and statistically processed by classification, statistics Based on the processed data, the standard specification of the prosthesis can be derived. Thus, by designing a prosthesis of a standardized size according to the characteristics of race or gender, prostheses produced in mass can be easily applied to the body of various patients.

2 is a control block diagram of the prosthesis standard specification calculation unit 200 of FIG. 1.

As shown in FIG. 2, the prosthesis standard specification calculation unit 200 includes an image data classification unit 210, a statistical processing unit 220, and a classification standard determination unit 230 for each classification.

The image data classification unit 210 classifies the 3D image according to the classification criteria set by the user. The image data classifying unit 210 may classify the 3D image into a western male, a western female, an oriental male, or an oriental female based on race and sex according to the set classification criteria.

The statistical processor 220 calculates a statistical distribution by measuring a body size in each classified 3D image. Thus, standard body sizes of Western men, Western women, Asian men, and Asian women can be calculated.

The classification standard determining unit 230 determines the standard specification of the prosthesis for each classification based on the standard body size of each classification calculated through the statistical processing unit 220. Thus, it is possible to design a prosthesis of the standard that reflects gender and racial characteristics.

3 is a control flowchart of a design system 100 of a prosthesis according to an embodiment of the present invention.

In order to set the standard specification of the prosthesis according to the embodiment of the present invention, the body image data input unit 110 receives and stores the 2D CT image of the body part where the prosthesis is to be implanted and the biometric information of the subject in a plurality of normal human bodies. (S110). Here, the body part to be implanted with the prosthesis may be set as shown in FIG. The prosthesis may replace the hip joint, knee joint, ankle joint, and the like, and as shown in FIG. 4, the two-dimensional structure of the hip joint (A), the knee joint (B), and the ankle joint (C) is shown in FIG. 4. Can receive and save the video. The two-dimensional image of the hip joint (A), knee region (B), and ankle region (C) that is stored is a body image of a normal person. Here, the body image data input unit 110 may receive and store body part images in which a preformed prosthesis is placed, such as a spine part, in addition to the part shown in FIG. 4. Biometric information such as the gender and race of the photographer is also received and stored.

Thereafter, the 3D image modeling unit 120 models the 2D body part image as a 3D image (S120). FIG. 5 illustrates a state in which a 2D cross-sectional image A-2 of the hip joint region A is modeled as a 3D image A-3. As shown in FIG. 5, a fragment of the living body structure a-2 is photographed in the 2D cross-sectional image A-2 photographing the hip region A. FIG. When the 2D cross-sectional image (A-2) is rendered into the 3D image (A-3) by using the interpolation and the 3D shape reconstruction method in the 3D image modeling unit 120, the same as the living body structure Three-dimensional living body structure (a-3) is represented.

Thereafter, the prosthesis standard specification calculation unit 200 classifies the modeled 3D images according to the biometric information (S130). Thus, the 3D image may be classified based on race and gender according to a user's selection.

The prosthesis standard specification calculation unit 200 measures the size of the body part from the classified three-dimensional image and statistically processes the measured size (S140). Accordingly, the size of the body parts statistically processed for each of the same body parts according to race and sex may be calculated.

After that, the standard prosthesis calculation unit 200 derives the standard standard of the prosthesis based on the statistically processed data (S150). Here, since the size of the body part is calculated statistically according to race and sex, the standard specification of the prosthesis can also be derived for each classification according to race and gender.

This process can produce a prosthesis having a standard specification according to biological characteristics such as race and gender (S160).

On the other hand, according to an aspect of the present invention, the step of receiving a two-dimensional image of the body portion of the plurality of subjects and the two-dimensional image data including the biometric information of the subject; Rendering the 2D image into a 3D image; Classifying the 3D image based on the biometric information according to a preset classification criterion; And calculating a standard specification of the prosthesis by statistically processing the size of the body part in the classified three-dimensional image, which may be recorded by a program and recorded on a recording medium readable by the electronic device. .

The prosthesis design method can be written in a program executed in a system such as a computer, and codes and code segments constituting the program can be easily inferred by a programmer in the art.

In addition, a program related to a method of designing a prosthesis may be stored in a readable media that can be read by an electronic device, and read and executed by the electronic device to provide a recommended application to a user terminal.

Thus, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

The design system and method of the prosthesis according to the present invention, and the recording medium thereof, are characterized in terms of characteristics such as race or gender in designing a prosthesis produced in a mass production method among prostheses inserted into a human body to compensate for a deficiency or disorder of a body part. Therefore, by designing a prosthesis of a standardized size it can be used to facilitate the mass production of the prosthesis easily applied to the body of a variety of patients.

100: prosthesis design system 110: body image data input unit
120: 3D image modeling unit 130: the user input unit
140: display unit 150: image data storage unit
160: control unit 200: prosthesis standard specification calculation unit
210: data classification unit 220: statistical processing unit
230: Determination part of standard standard by classification

Claims (11)

A body image data input unit configured to receive two-dimensional images of body parts of a plurality of subjects and two-dimensional image data including biometric information of the subjects;
A 3D image modeling unit for rendering the 2D image into a 3D image;
A prosthesis standard specification calculator configured to classify the 3D image based on the biometric information according to a predetermined classification standard, and calculate a standard standard of the prosthesis by statistically processing the size of the body part in the classified 3D image; And
A control unit for controlling the body image data input unit, the 3D image modeling unit, and the prosthesis standard specification calculator to calculate a standard standard of the prosthesis according to a predetermined classification standard from the two-dimensional images of the plurality of photographed subjects;
The prosthesis standard specification calculation unit may include an image data classification unit classifying a 3D image according to the classification standard; A statistical processor that calculates a statistical distribution by measuring a body size in each of the classified three-dimensional images; And a classification standard determining unit for classifying the standard of the prosthesis for each classification based on the standard body size of each classification calculated through the statistical processing unit.

The method of claim 1,
The body image data input unit,
And a two-dimensional computed tomography (CT) image of the body part of the subject to be tomographically photographed at a predetermined interval from which the prosthesis is placed.
The method of claim 1,
The bio-
And a racial information and gender information of the subject.


delete The method of claim 1,
The prosthesis is,
Prosthesis design system comprising at least one of artificial hip joint, artificial knee joint, artificial ankle joint, artificial spine, artificial shoulder joint.
(A) receiving a two-dimensional image of the body parts of a plurality of subjects and the two-dimensional image data including biometric information of the subject;
(B) rendering the 2D image into a 3D image;
(C) classifying the 3D image based on the biometric information according to a preset classification criterion;
(D) calculating a statistical distribution by measuring the body size in each classified 3D image; And
(E) determining a standard of the prosthesis for each classification based on the calculated standard body size for each classification;
Prosthesis design method comprising a.

The method according to claim 6,
The step (A)
And receiving a two-dimensional computed tomography (CT) image of the body part of the subject to which the prosthesis is to be implanted at a predetermined interval.
The method according to claim 6,
The step (A)
And receiving biometric information of race and gender information of the subject.
delete The method according to claim 6,
The prosthesis is,
A method of designing a prosthesis comprising at least one of artificial hip joint, artificial knee joint, artificial ankle joint, artificial spine, and artificial shoulder joint.
Receiving two-dimensional images of body parts of a plurality of subjects and two-dimensional image data including biometric information of the subjects; Rendering the 2D image into a 3D image; Classifying the 3D image based on the biometric information according to a preset classification criterion; Calculating a statistical distribution by measuring a body size in each classified 3D image; And determining a standard specification of the prosthesis for each classification based on the calculated standard body size for each classification.

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